31 C.F.R. § 363.201 What other regulations govern book-entry marketable book-entry Treasury bills, notes, and bonds?
Title 31 - Money and Finance: Treasury
(a) 31 CFR part 356 governs the sale and issue of marketable book-entry Treasury securities on or after March 1, 1993, whether held in TreasuryDirect®, Legacy Treasury Direct, or the commercial book-entry system. (b) 31 CFR part 357 governs holding marketable book-entry Treasury bills, notes, and bonds in the Legacy Treasury Direct system and in the commercial book-entry system.
Title 31: Money and Finance: Treasury
PART 363—REGULATIONS GOVERNING SECURITIES HELD IN TREASURYDIRECT
Subpart F—Marketable Treasury Securities
§ 363.201 What other regulations govern book-entry marketable book-entry Treasury bills, notes, and bonds?

